RFR: 8284680: sun.font.FontConfigManager.getFontConfig() leaks charset [v3]

[Phil Race]

On Mon, 9 May 2022 19:45:49 GMT, Zhengyu Gu <zgu at openjdk.org> wrote:

>> Please review this small patch that releases temporary charsets to avoid memory leak.
>> 
>> Test:
>> 
>> - [x] jdk_2d
>
> Zhengyu Gu has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Cleanup at early return

Marked as reviewed by prr (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/8187